Science

The Elegant Universe (2003)

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Examines one of the most revolutionary theories in physics today - String Theory. String Theory argues that fundamental elements of nature are minute strands of energy, whose different levels of vibration underlie everything in the universe. If this theory is correct, it could mean a universe with many different dimensions, ones that are unseen to our eyes.

Grade Level:

High

Length:

03:00

Hunt for the Supertwister: Chasing Nature's Most Powerful Tornadoes (2004)

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Little on this earth can withstand the violent fury of an F5 tornado. A churning vortex with winds over 300 miles an hour, these tornadoes create immense swaths of death and destruction in a matter of seconds. But today, experts are exploring the supertwister's complex inner working in bold new ways in the hopes of one day being able to accurately predict the occurrences of tornadoes.

Grade Level:

Middle

High

Length:

01:00

Hunt for the Supertwister: Chasing Nature's Most Powerful Tornadoes

All About Electricity (2000, 2004)

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Understanding the world around us can be a real adventure! That's the message in this 11-part series for children in grades K-4. Kids travel along as our young host explores the world of physical science and how it can be seen, touched and understood in everyday life.

Grade Level:

Primary

Elementary

Length:

00:23

Trash and the Environment (1998)

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Take a trip to a recycling center, a landfill, and a town dump to understand what happens to trash after it is thrown away. Focus on the environmental problems created by solid waste and discover ways to alleviate the problem. Learn that through daily conservation methods, people can control the amount of waste they produce.

Grade Level:

Elementary

Middle

Length:

00:12

Life Cycles (2005)

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Segment 1: (6 min.) Life Cycles - All organisms undergo cycles of life. Learn about the life cycles of several animals, including reproduction. Segment 2: (5 min.) Heredity - Learn about genes and heredity and discover the genetic connection between modern birds and ancient dinosaurs.

Grade Level:

Elementary

Middle

Length:

00:24

Prehistoric Earth (2005)

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Segment 1: Geologic Time (6 min.) Learn how absolute and relative times help scientists examine the Earth's age, as well as prehistoric life forms. Segment 2: Prehistoric Life (4 min.) Discover how fossils are formed and see the clues they give scientists to learn details about prehistoric life and the history of our planet.

Grade Level:

Elementary

Middle

Length:

00:24

Earth's Ecology (2005)

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Oceans provide habitats for millions of marine species and cover more than 70 percent of the Earth's surface. Segments detail seafloor maps, the role of water in our planet's life cycles, three states of matter, and the crucial balance among all life-forms.

Grade Level:

Elementary

Middle

Length:

00:24